Formulas for right and left Riemann sums | Calculus (integration)

Deriving the formulas for left and right Riemann Sums, for uniform partitions, for integration in Calculus I

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0:00 Intro
1:04 Naming the x-values x_0 ... x_n
1:52 Labeling the function values f(x_i)
4:03 Width of partition is delta-x
5:15 Writing the formula for the left sum
8:20 The formula for the right sum
9:54 Comparing L_n and R_n